xhci: Redundant check in xhci_check_args for xhci->devs

The xhci_hcd->devs is an array of pointers rather than pointer to pointer.
Hence this check is not required.

Signed-off-by: Sifram Rajas <Sifram Rajas sifram.rajas@gmail.com>
Signed-off-by: NSarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/xhci.c

@@ -945,8 +945,7 @@ static int xhci_check_args(struct usb_hcd *hcd, struct usb_device *udev,
 		return -ENODEV;
 
 	if (check_virt_dev) {
-		if (!udev->slot_id || !xhci->devs
-			|| !xhci->devs[udev->slot_id]) {
+		if (!udev->slot_id || !xhci->devs[udev->slot_id]) {
 			printk(KERN_DEBUG "xHCI %s called with unaddressed "
 						"device\n", func);
 			return -EINVAL;